Home / 9,390.72-14,044.68-8,357.52

Finding the Fourth Proportional to 9,390.72, 14,044.68 and 8,357.52

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Solution

The fourth proportional to 9,390.72, 14,044.68 and 8,357.52 is: 12,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.72 : 14,044.68 = 8,357.52 : x
  2. Step 2: Convert to fraction form
    9,390.72/14,044.68 = 8,357.52/x
  3. Step 3: Cross multiply
    9,390.72x = 14,044.68 × 8,357.52
  4. Step 4: Simplify right side
    9,390.72x = 117,378,693.99
  5. Step 5: Solve for x
    x = 117,378,693.99/9,390.72
  6. Step 6: Final answer
    x = 12,499.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.